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Gingiva biotype
Dr. Salar Zeinali 2013
some anatomy :)
• Gingival width: width of keratinized tissue measured from
gingival margin to the mucogingival junction. Some patient
have wide band of keratinized tissue which frequently ends
in relatively flat mucogingival junction, while others have a
narrower band of keratinized tissue where the mucogingival
junction may be wavy so that it follows the papillary
contours.
• Gingival thickness
• Papilla height/ proportion
• Crown with/height ratio
some anatomy :)
• Gingival width
• Gingival thickness: the thickness of the tissue in bucco-
palatal dimension.
• Papilla height/ proportion
• Crown width/ height ratio
Some anatomy :)
• Gingival width
• Gingival thickness
• Papilla height/ proportion
• Crown width/ height ratio: long, slender teeth tend to
associate with contact points distant form alveolar crest and
long papilla that fill the embrasure.
Define?!
• Claffey and Shanley defined the thin tissue biotype as a gingival
thickness of <1.5 mm, and the thick tissue biotype was referred
to as having a tissue thickness >2 mm (measurements of 1.6 to
1.9 mm were not accounted for).
How to differentiate
• Direct measurement: Using a periodontal probe.
Thick B.>1.5mm>Thin B.
• Transparency: During insertion of a probe into the mid-
buccal sulcus of maxillary incisors if the probe is seen
through then it is considered thin
• Ultrasonic: Müller designed a device, had many limitation
• CBCT: Visualize both soft and hard tissue
Thick biotype
• A thick biotype is
associated with wide band
of keratinized tissue, thick
gingiva, short papilla and
squarish teeth. seen from
occlusial view the alveolar
housing of the teeth is
broad.
thin biotype
• exhibit a narrower band of
keratinized tissue which
may end in a wavy
mucogingival junction.
• In thick biotype the buccal
plate may be thick enough to
accommodate a separate
bundle bone around the
tooth.
• In thin biotype the bone is
usually very thin, resulting in
the bundle bone and the
buccal plate being one and the
The tissue biotype is mostly reflected by the thickness of
underlying alveolar bone.
• Inflammation: The inflammation generated by plaque on the
root surface extends into the tissue for a distance of 2mm
in all directions.
• In patients with a thin biotype, the distance from the root
surface to the oral epithelial surface (that is the thickness of
the whole periodontium encompassing cementum,
periodontal ligament, bone and gingiva) can be less than
2mm. Inflammation will therefore involve all the structures,
rapidly resulting in recession.
• Thick biotype, with a thick alveolar housing around the
teeth, the 2mm radius of inflammation will damage
cementum, ligament and bundle bone only, producing a
biotype response to different processes
Crown lengthening surgery
• Patients with a thick tissue biotype are likely to get more
rebound of the gingival margin after crown-lengthening
surgery is performed.
• While this has not been explicitly reported, it is not
unreasonable to expect that patients with a thin biotype
may be more prone to additional recession following crown-
lengthening surgery.
Root coverage surgery
• In patients with a thick soft tissue biotype, healing following
root-coverage surgery is predictable, whereas the opposite is
true for hose with thin tissue. Unfortunately, recession is usually
found in those with the thin biotype, where it has been a
contributory factor in the development of the recession.
Because of this, inter-positional connective tissue grafts are used
between the pedicle and the root surface to increase the
thickness of the tissue.Various reports have suggested that for
optimal root coverage, the tissue needs to be augmented to a
minimum thickness.
Tooth extraction
• The bundle bone will resorb after extraction, regardless of the
method of extraction and socket-preservation procedures.
Unfortunately, in thin biotype patients the bundle bone is very
likely to be the buccal plate, and we can therefore expect
considerable collapse of the socket, resulting in a contour
deficiency, which will need to be addressed through bone
grafting or compromise in the implant angulation, especially if
the patient is getting implant treatment in the aesthetic zone.
Patients with a thicker soft tissue biotype may end up with less
alveolar deficiency and therefore their restorative treatment
can be viewed as being more predictable and less demanding.
Implants
• Peri-implant tissue health seems to depend, in some part at
least, to there being immobile keratinized tissue around the
emergent restoration.As around the teeth, thin peri-implant
soft tissue seems to be more prone to recession and less likely
to develop nicely formed papillae around the implant
restorations.
interdental papilla
• Shape of crestal gingiva and the interdental papilla depends on
the shape and quality of underlying bone, therefore its quality
and quantity has to be assessed.
• This assessment includes the vertical bone height of buccal
bone and the interproximal and horizontal thickness.The bone
crest has to be 2 to 3mm from cemento-enamel junction (or
bucco-gingival junction incase of recession).
• Formation of interdental papilla depends on the distance
between interproximal bone height and the adjacent teeth
contact point; if the distance is more than 5mm, black triangle
will be formed.
Papilla formation in implants
• The height of interproximal papilla of the crown is independent
of the proximal bone level next to the implant, but is related to
the interproximal bone height of the neighboring teeth.
• The papillary height can be influenced by spacing of the implants
and placement of the contact point to some extent.The vertical
distance from the crest of bone to the height of the
interproximal papilla between the adjacent implants is 2 to 4mm
in most cases.
• The emergence profile and interproximal restoration contours
also play a role in papillary form.

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Gingiva biotype

  • 2. some anatomy :) • Gingival width: width of keratinized tissue measured from gingival margin to the mucogingival junction. Some patient have wide band of keratinized tissue which frequently ends in relatively flat mucogingival junction, while others have a narrower band of keratinized tissue where the mucogingival junction may be wavy so that it follows the papillary contours. • Gingival thickness • Papilla height/ proportion • Crown with/height ratio
  • 3. some anatomy :) • Gingival width • Gingival thickness: the thickness of the tissue in bucco- palatal dimension. • Papilla height/ proportion • Crown width/ height ratio
  • 4. Some anatomy :) • Gingival width • Gingival thickness • Papilla height/ proportion • Crown width/ height ratio: long, slender teeth tend to associate with contact points distant form alveolar crest and long papilla that fill the embrasure.
  • 5. Define?! • Claffey and Shanley defined the thin tissue biotype as a gingival thickness of <1.5 mm, and the thick tissue biotype was referred to as having a tissue thickness >2 mm (measurements of 1.6 to 1.9 mm were not accounted for).
  • 6. How to differentiate • Direct measurement: Using a periodontal probe. Thick B.>1.5mm>Thin B. • Transparency: During insertion of a probe into the mid- buccal sulcus of maxillary incisors if the probe is seen through then it is considered thin • Ultrasonic: Müller designed a device, had many limitation • CBCT: Visualize both soft and hard tissue
  • 7. Thick biotype • A thick biotype is associated with wide band of keratinized tissue, thick gingiva, short papilla and squarish teeth. seen from occlusial view the alveolar housing of the teeth is broad.
  • 8. thin biotype • exhibit a narrower band of keratinized tissue which may end in a wavy mucogingival junction.
  • 9. • In thick biotype the buccal plate may be thick enough to accommodate a separate bundle bone around the tooth. • In thin biotype the bone is usually very thin, resulting in the bundle bone and the buccal plate being one and the The tissue biotype is mostly reflected by the thickness of underlying alveolar bone.
  • 10. • Inflammation: The inflammation generated by plaque on the root surface extends into the tissue for a distance of 2mm in all directions. • In patients with a thin biotype, the distance from the root surface to the oral epithelial surface (that is the thickness of the whole periodontium encompassing cementum, periodontal ligament, bone and gingiva) can be less than 2mm. Inflammation will therefore involve all the structures, rapidly resulting in recession. • Thick biotype, with a thick alveolar housing around the teeth, the 2mm radius of inflammation will damage cementum, ligament and bundle bone only, producing a biotype response to different processes
  • 11. Crown lengthening surgery • Patients with a thick tissue biotype are likely to get more rebound of the gingival margin after crown-lengthening surgery is performed. • While this has not been explicitly reported, it is not unreasonable to expect that patients with a thin biotype may be more prone to additional recession following crown- lengthening surgery.
  • 12. Root coverage surgery • In patients with a thick soft tissue biotype, healing following root-coverage surgery is predictable, whereas the opposite is true for hose with thin tissue. Unfortunately, recession is usually found in those with the thin biotype, where it has been a contributory factor in the development of the recession. Because of this, inter-positional connective tissue grafts are used between the pedicle and the root surface to increase the thickness of the tissue.Various reports have suggested that for optimal root coverage, the tissue needs to be augmented to a minimum thickness.
  • 13. Tooth extraction • The bundle bone will resorb after extraction, regardless of the method of extraction and socket-preservation procedures. Unfortunately, in thin biotype patients the bundle bone is very likely to be the buccal plate, and we can therefore expect considerable collapse of the socket, resulting in a contour deficiency, which will need to be addressed through bone grafting or compromise in the implant angulation, especially if the patient is getting implant treatment in the aesthetic zone. Patients with a thicker soft tissue biotype may end up with less alveolar deficiency and therefore their restorative treatment can be viewed as being more predictable and less demanding.
  • 14. Implants • Peri-implant tissue health seems to depend, in some part at least, to there being immobile keratinized tissue around the emergent restoration.As around the teeth, thin peri-implant soft tissue seems to be more prone to recession and less likely to develop nicely formed papillae around the implant restorations.
  • 15. interdental papilla • Shape of crestal gingiva and the interdental papilla depends on the shape and quality of underlying bone, therefore its quality and quantity has to be assessed. • This assessment includes the vertical bone height of buccal bone and the interproximal and horizontal thickness.The bone crest has to be 2 to 3mm from cemento-enamel junction (or bucco-gingival junction incase of recession). • Formation of interdental papilla depends on the distance between interproximal bone height and the adjacent teeth contact point; if the distance is more than 5mm, black triangle will be formed.
  • 16. Papilla formation in implants • The height of interproximal papilla of the crown is independent of the proximal bone level next to the implant, but is related to the interproximal bone height of the neighboring teeth. • The papillary height can be influenced by spacing of the implants and placement of the contact point to some extent.The vertical distance from the crest of bone to the height of the interproximal papilla between the adjacent implants is 2 to 4mm in most cases. • The emergence profile and interproximal restoration contours also play a role in papillary form.